NX Filtration N.V. GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
102.66%
decreased by 21.80%
1 Week
103.50%
decreased by 20.96%
1 Month
106.71%
decreased by 17.75%
Analysis last updated: Tuesday, July 14, 2026 at 06:27 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jun 15, 2021 to Jul 10, 2026Model Insight
With persistence 0.996, volatility shocks have a half-life of 173 trading days (~0.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 2.92 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 128.2107 | 5.52*** |
α ARCH Response to squared shocks | 0.1721 | 66.18*** |
β GARCH Volatility persistence | 0.9960 | 1,520.62*** |
ν DF Student-t tail thickness | 2.9192 | 62.12*** |
Persistence:
0.996
Half-life:
173 days
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